Enterprise Infrastructure & Systems Engineering
Infrastructure built for secure, reliable growth.
IT Total Service designs, modernizes, and documents the systems behind daily operations—identity, Microsoft 365, Google Workspace, Windows and macOS endpoints, networks, cloud platforms, backup, and recovery.
The goal is not more technology. It is a supportable environment with clear ownership, controlled access, tested recovery, and fewer hidden dependencies.
Core Infrastructure Capabilities
Build the foundation before complexity becomes risk.
Infrastructure is treated as one connected operating system—not a collection of unrelated products and vendors.
Identity & Access Management
Design the employee identity lifecycle from onboarding through role changes and offboarding. Reduce standing privilege, abandoned accounts, and undocumented access.
Microsoft 365 & Google Workspace
Configure collaboration, email, sharing, retention, administrative roles, and security controls around real business responsibilities.
Windows & macOS Endpoint Engineering
Standardize configuration, enrollment, updates, encryption, endpoint protection, software delivery, inventory, and replacement planning.
Network & Wi-Fi Modernization
Improve reliability, coverage, segmentation, remote access, failover, documentation, and visibility across office and hybrid environments.
Cloud & Hybrid Infrastructure
Assess where cloud services help, where local systems remain practical, and how identity, networking, security, cost, and ownership fit together.
Backup, Recovery & Continuity
Define recovery priorities, protect critical systems and cloud data, test restores, document response, and close the gap between “backed up” and recoverable.
Connected Operating Model
Reliable infrastructure is engineered across layers.
Security, supportability, and recovery fail when each layer is managed in isolation. We connect technical controls to ownership and daily operations.
People & Privileges
Accounts, roles, MFA, SSO, service identities, approvals, and offboarding.
Devices & Configuration
Enrollment, encryption, patching, protection, software, inventory, and lifecycle.
Network & Remote Access
LAN, Wi-Fi, VPN, segmentation, availability, monitoring, and vendor circuits.
Cloud, Apps & Data
Business services, collaboration, data boundaries, integrations, and ownership.
Operations & Recovery
Monitoring, backup, restore testing, escalation, runbooks, and change control.
Modernization Projects
Change the environment without losing control of it.
Projects begin with the current environment and business constraints—not with a predetermined product.
Environment assessment and modernization plan
Map systems, identities, vendors, risks, dependencies, support gaps, and recovery exposure. Prioritize work by business impact and implementation risk.
- Current-state inventory and dependency map
- Risk and operational-gap register
- Phased roadmap with decision points
Platform migration without blind replacement
Move or consolidate collaboration, identity, file services, endpoints, or workloads only where the new operating model creates measurable value.
- Source and destination readiness
- Pilot groups, rollback, and staged cutover
- Permissions, data, and ownership validation
Identity, endpoint, and sharing hardening
Reduce practical attack paths while preserving how the business needs to work. Remediate risky defaults, excessive privilege, unmanaged devices, and uncontrolled sharing.
- MFA, administrative roles, and access policy
- Encryption, updates, and endpoint controls
- External sharing and data boundaries
Secure work from office, home, and the road
Create a consistent access and support model across locations without depending on unmanaged personal devices or permanent broad access.
- Managed endpoints and secure authentication
- Remote access with scoped permissions
- Support, recovery, and lost-device procedures
Led by a systems engineer—not passed between anonymous queues.
Gary Gray brings more than 25 years of hands-on experience across systems administration, infrastructure, networking, enterprise support, automation, and technical documentation. Complex decisions stay connected to the business context and the people who must operate the result.
Practical Modernization
Modernize what creates risk. Preserve what still works.
A credible infrastructure plan separates urgent exposure from fashionable replacement.
Warning signs worth investigating
- Former employees or vendors may still have access.
- No one can confirm what is backed up or when restore was last tested.
- Administrative accounts, devices, or vendors are undocumented.
- Recurring network or application failures have no root-cause record.
- Security and configuration vary by employee or location.
- A single person, device, or provider is a critical dependency.
Principles that prevent overengineering
- Keep stable systems when they remain secure and supportable.
- Use phased changes with pilots, rollback, and decision gates.
- Choose tools after requirements, ownership, and operating cost are clear.
- Document the environment as part of implementation—not afterward.
- Validate access, monitoring, backup, and recovery before handoff.
- Measure success through reliability, risk reduction, and operational clarity.
From Assessment to Operations
Every project ends with an operable environment.
Discover
Inventory systems, identities, data, dependencies, owners, vendors, constraints, and recovery requirements.
Design
Define the target architecture, controls, migration sequence, pilot, rollback, acceptance criteria, and ownership.
Implement
Build in stages, protect business continuity, verify permissions and data, and resolve exceptions before expansion.
Validate & Document
Test operation and recovery, finalize inventory and runbooks, train owners, and establish the support model.
Connected Services
Infrastructure should connect to operations and automation.
Continue with the operating model that fits the business after the project.
FAQ
Infrastructure modernization, without the sales fog.
What size companies do you work with?
The strongest fit is a growing small or midsize business that has outgrown informal IT, is preparing for change, or needs senior engineering without building a large internal team. Scope is based on complexity, risk, and ownership—not only employee count.
Do we need to replace our current systems?
Not automatically. Stable systems should remain when they are secure, supportable, and appropriate for the business. Replacement is recommended only when the current platform creates material risk, blocks an important outcome, or costs more to operate than a planned transition.
Can you work with our internal team or existing vendors?
Yes. Projects can be delivered directly, alongside internal IT, or with existing providers. Responsibilities, access, decisions, handoffs, and escalation paths are defined before implementation so ownership does not disappear between organizations.
Can modernization be completed without downtime?
Many changes can be staged with pilots, parallel operation, maintenance windows, and rollback plans. It would be dishonest to promise zero downtime before the environment is assessed. The practical goal is controlled disruption with a tested recovery path.
How is security handled during a project?
Access is scoped to the work, privileged actions are controlled, changes are documented, and validation includes identities, permissions, endpoint controls, monitoring, backup, and recovery. Exact controls depend on the systems and risk involved.
What happens after the project?
The environment is validated and documented, responsible owners are trained, and the ongoing model is defined. IT Total Service can provide managed operations, co-managed engineering, project follow-up, or a clean handoff to the client’s team or provider.
What does your infrastructure need to support next?
Describe the company, users, locations, platforms, current problems, upcoming changes, and the result you need. We will recommend whether to begin with an assessment, a focused project, a phased modernization plan, or ongoing operations.
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